1. Introduzione
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Pedrollo JSWm 1AX-N self-priming electric water pump. Please read these instructions carefully before using the pump and keep this manual for future reference.
The Pedrollo JSWm 1AX-N is a self-priming electric pump designed for pumping water. This model is an updated version of the JSWM/1A series.
2. Informazioni sulla sicurezza
AVVERTIMENTO: La mancata osservanza di queste istruzioni di sicurezza può provocare scosse elettriche, incendi, lesioni gravi o morte.
- Always disconnect the pump from the power supply before performing any maintenance or installation.
- Ensure the electrical supply matches the pump's specifications (220-230V, 50Hz).
- La pompa deve essere adeguatamente collegata a terra per evitare scosse elettriche.
- Non far funzionare la pompa con cavi o spine danneggiati.
- Non pompare liquidi infiammabili, esplosivi o corrosivi. Questa pompa è progettata solo per il pompaggio di acqua.
- Tenere i bambini e il personale non autorizzato lontano dalla pompa durante il funzionamento.
- Install the pump in a well-ventilated area, protected from direct sunlight and freezing temperatures.
3. Prodotto finitoview
The Pedrollo JSWm 1AX-N is a robust self-priming pump. Key features include:
- Self-priming capability.
- Power: 0.75 kW (0.85 HP).
- Maximum flow rate: 55 liters/minute.
- Maximum head: 43 meters.
- Constructed with Noryl material.

Figure 1: Pedrollo JSWm 1AX-N Self-Priming Electric Water Pump. This image shows the overall view of the blue electric pump with its motor and pump housing.

Figure 2: Pedrollo JSWm 1AX-N Pump Rating Plate. This image displays the technical specifications label on the pump, including model number, power, voltage, frequency, and flow rates.
4. Configurazione e installazione
Un'installazione corretta è fondamentale per le prestazioni e la longevità della pompa.
- Montaggio: Securely mount the pump on a stable, level surface. Ensure adequate ventilation around the motor.
- Linea di aspirazione: Connect a rigid, airtight suction pipe to the pump's inlet. The suction line should be as short and straight as possible, with a foot valve at the end submerged in the water source. The pump can draw water from depths up to 9 meters.
- Delivery Line: Connect the delivery pipe to the pump's outlet. Install a check valve if the delivery line is long or has significant vertical lift.
- Primerizzazione: Before first use, or if the pump runs dry, fill the pump body completely with water through the priming port until it overflows. Replace the priming plug securely.
- Collegamento elettrico: Connect the pump to a dedicated 220-230V, 50Hz power supply. Ensure proper grounding. A qualified electrician should perform the electrical connection.
5. Istruzioni per l'uso
- Avvio iniziale: After priming, switch on the power supply. The pump should start drawing water and build pressure.
- Funzionamento continuo: Monitor the pump for unusual noises or vibrations. Ensure a continuous water supply to prevent dry running.
- Fermare: Turn off the power supply to stop the pump.
Nota: The pump is designed for continuous duty (thermally protected).
6. Manutenzione
Una manutenzione regolare garantisce prestazioni ottimali e prolunga la durata della pompa.
- Pulizia: Periodically clean the pump exterior to prevent dirt buildup.
- winterization: In freezing temperatures, drain all water from the pump and pipes to prevent damage. Store the pump in a frost-free environment.
- Ispezione: Regularly check for leaks, damaged cables, or unusual wear. Address any issues promptly.
- Valvola di fondo: Ensure the foot valve at the end of the suction line is clear of debris.
7. Risoluzione Dei Problemi
| Problema | Possibile causa | Soluzione |
|---|---|---|
| La pompa non si avvia | No power supply; Motor overload; Damaged capacitor. | Check power connection and circuit breaker; Allow motor to cool; Consult a qualified technician. |
| La pompa funziona ma non viene erogata acqua | Pump not primed; Air leak in suction line; Suction lift too high; Foot valve blocked. | Re-prime the pump; Check suction line for leaks; Reduce suction lift; Clean foot valve. |
| Bassa portata o pressione | Partial blockage in suction/delivery line; Worn impeller; Air in system. | Check and clear lines; Consult technician for impeller replacement; Re-prime pump. |
| Rumore o vibrazioni eccessivi | Cavitation (air in pump); Loose mounting; Worn bearings. | Ensure pump is fully primed and suction line is airtight; Secure mounting bolts; Consult a technician. |
8. Specifiche
| Specificazione | Valore |
|---|---|
| Modello | JSWm 1AX-N |
| Marca | Pedrollo |
| Potenza (CV) | 0.75 HP (P2 0.55 kW) |
| Voltage | 220-230 V |
| Frequenza | Frequenza 50 Hz |
| Corrente (In) | 3.6 A |
| Max Flow Rate (Q) | 55 litri/min |
| Max Head (H) | 43 metri |
| Materiale | Norilismo |
| Peso | 10 kg (22.05 libbre) |
| Classe di protezione | Tipo di IP X4 |
| Classe di isolamento | F |
| Temperatura massima del liquido | 40 °C |
| Ciclo di lavoro | Continuous duty (Thermally protected) |
9. Garanzia e supporto
For warranty information and technical support, please refer to the official Pedrollo website or contact your authorized Pedrollo dealer. Keep your purchase receipt as proof of purchase.
Pedrollo is a manufacturer based in San Bonifacio (VR) Italy. Contact information may be available on the product's rating plate or official documentation.
Nota: Le informazioni sulla disponibilità dei pezzi di ricambio non sono fornite nei dettagli del prodotto.





